.hero {
  --p: 0;
  position: relative;
  height: 100svh;
  min-height: 600px;
}

.motion .hero {
  height: 150svh;
}

.hero__stage {
  --horizon: 66%;
  --sun-x: 70%;
  --sun-size: min(34vw, 440px);
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
  isolation: isolate;
}

.sky {
  position: absolute;
  inset: -12vh 0 calc(100% - var(--horizon) - 2px);
  background: linear-gradient(180deg, var(--abyss) 0%, #0f1b3a 38%, var(--dusk) 62%, #5a3a62 86%, #a8565a 100%);
  transform: translateY(calc(var(--p) * 10vh));
}

.sky__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(52% 70% at 50% 100%, rgb(255 140 80 / 0.55), transparent 72%);
  opacity: calc(1 - var(--p) * 1.1);
}

.sky__night {
  position: absolute;
  inset: 0;
  background: var(--abyss);
  opacity: calc(var(--p) * 0.7);
}

.sun-track {
  position: absolute;
  left: var(--sun-x);
  top: var(--horizon);
  width: var(--sun-size);
  aspect-ratio: 1;
  translate: -50% -50%;
  transform: translateY(calc(var(--p) * var(--sun-size) * 0.62));
}

.sun {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--sun-top) 8%, var(--sun-low) 50%);
}

.sea {
  position: absolute;
  inset: var(--horizon) 0 0;
  background: linear-gradient(180deg, #1c4b70, #0d2a44 60%);
}

.glint {
  position: absolute;
  left: var(--sun-x);
  top: calc(var(--horizon) + 10px);
  display: grid;
  justify-items: center;
  gap: 9px;
  width: var(--sun-size);
  translate: -50% 0;
  transform: scaleX(calc(1 - var(--p) * 0.92));
  opacity: calc(1 - var(--p) * 1.3);
}

.glint span {
  display: block;
  height: 5px;
  width: var(--w);
  border-radius: 5px;
  background: linear-gradient(90deg, transparent, var(--sun-top) 20%, var(--sun-low) 80%, transparent);
  opacity: var(--o);
}

.wave-layer {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--top);
  height: 140vh;
  transform: translateY(calc(var(--p) * var(--depth) * -1));
}

.wave {
  position: absolute;
  inset: 0 auto 0 0;
  width: 200%;
  background: var(--fill);
}

.wave svg {
  position: absolute;
  left: 0;
  bottom: calc(100% - 1px);
  width: 100%;
  height: var(--amp);
  fill: var(--fill);
}

.wave-layer--1 {
  --top: calc(var(--horizon) + 9%);
  --depth: 6vh;
  --fill: #174264;
  --amp: 22px;
}

.wave-layer--2 {
  --top: calc(var(--horizon) + 17%);
  --depth: 24vh;
  --fill: #10324f;
  --amp: 34px;
}

.wave-layer--3 {
  --top: calc(var(--horizon) + 25%);
  --depth: 52vh;
  --fill: #0b233a;
  --amp: 48px;
}

.wave-layer--4 {
  --top: 104%;
  --depth: 104vh;
  --fill: var(--abyss);
  --amp: 64px;
}

.hero__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: calc(var(--header) + clamp(24px, 9vh, 110px)) max(var(--gutter), (100% - var(--max)) / 2) 0;
  transform: translateY(calc(var(--p) * -22vh));
  opacity: calc(1 - var(--p) * 2.4);
}

.hero h1 {
  font-size: clamp(2.9rem, 1.6rem + 5.4vw, 7rem);
  font-weight: 650;
  letter-spacing: -0.045em;
}

.line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
}

.line > span {
  display: block;
}

.hero__lede {
  max-width: 30ch;
  margin-top: clamp(16px, 2.6vh, 28px);
  color: var(--ink-soft);
  font-size: var(--step-1);
  line-height: 1.4;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  margin-top: clamp(20px, 3.6vh, 36px);
}

.hero__veil {
  position: absolute;
  inset: 0;
  background: var(--abyss);
  opacity: clamp(0, calc((var(--p) - 0.86) * 7.2), 1);
  pointer-events: none;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 28px;
  width: 1.5px;
  height: 44px;
  overflow: hidden;
  translate: -50% 0;
  background: rgb(238 244 247 / 0.18);
  opacity: calc(1 - var(--p) * 6);
}

.scroll-cue::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: translateY(-100%);
}

.motion .scroll-cue::after {
  animation: cue 2.2s var(--ease-in-out) 2s infinite;
}

.motion .sun {
  animation: sun-rise 2.2s var(--ease-out) 0.1s both;
}

.motion .glint span {
  animation:
    grow 1.6s var(--ease-out) calc(0.8s + var(--i) * 0.08s) both,
    shimmer calc(3s + var(--i) * 0.7s) ease-in-out 2.4s infinite alternate;
}

.motion .wave {
  animation: drift var(--drift) linear infinite;
}

.motion .wave-layer--1 .wave {
  --drift: 46s;
}

.motion .wave-layer--2 .wave {
  --drift: 34s;
  animation-direction: reverse;
}

.motion .wave-layer--3 .wave {
  --drift: 26s;
}

.motion .wave-layer--4 .wave {
  --drift: 20s;
  animation-direction: reverse;
}

.motion .line > span {
  animation: line-up 1.3s var(--ease-out) calc(0.5s + var(--i) * 0.12s) both;
}

.motion .hero__lede,
.motion .hero__actions {
  animation: fade-up 1.2s var(--ease-out) calc(0.9s + var(--i) * 0.12s) both;
}

@keyframes sun-rise {
  from {
    transform: translateY(58%);
  }
}

@keyframes grow {
  from {
    transform: scaleX(0);
    opacity: 0;
  }
}

@keyframes shimmer {
  to {
    transform: translateX(calc(var(--i) * 3px - 6px)) scaleX(0.94);
  }
}

@keyframes drift {
  to {
    transform: translateX(-50%);
  }
}

@keyframes line-up {
  from {
    transform: translateY(105%);
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
}

@keyframes cue {
  0% {
    transform: translateY(-100%);
  }
  60%,
  100% {
    transform: translateY(100%);
  }
}

@media (max-width: 720px) {
  .hero__stage {
    --horizon: 75%;
    --sun-x: 50%;
    --sun-size: 66vw;
  }

  .glint {
    gap: 7px;
  }
}

@media (max-height: 680px) and (min-width: 721px) {
  .hero__stage {
    --horizon: 72%;
    --sun-size: min(28vw, 320px);
  }
}

@media (max-width: 720px) and (max-height: 740px) {
  .hero__stage {
    --horizon: 80%;
    --sun-size: 52vw;
  }
}